Okay, so I have the Steam version of Warband but my bro bought me Napoleonic Wars through Taleworlds. Wasn't a problem, just moved the files into my steam folder. However, with the last patch when I used the same method (downloaded through Taleworlds, then moved to Steam folders) it asked me for my NW CD Key whenever I tried to join a multiplayer server. I checked regedit but couldn't find my NW CD Key so I'm not sure what to do.